Power Factor Correction Terminal Blocks Pushbuttons and Pilot Lights Overloads Contactors Motor Protectors Disconnect Switches Relays Circuit Protection General Information Enclosed Starters WEG Automation - Products and Solutions | 189 Data is subject to change without notice. Contactors Appendix A Appendix B CWB Line Developed according to IEC 60947 and UL 508 international standards, the new WEG CWB line of contactors meets the requirements of a wide range of industrial applications. The CWBs are designed with the visual pattern and identity of WEG, a brand recognized worldwide for its quality. Standard Features • “Zero-Width” Mechanical Interlock • Simple and Compact Mounting of Surge Suppressor Blocks • Contactor Coil Operated on AC or DC • Simple and Organized Control Circuits • Additional Contact Blocks • Easy Access Power and Control Terminals CWB Contactor Catalog Number Sequence CWB - - Contactor Series Current Rating Auxiliary Contacts CWB 11: 1NO + 1NC DC Voltage C02: 12V DC C03: 24V DC D15: 120V AC C07: 48V DC D77: 208V AC C09: 60V DC V24: 208 - 240V AC C12: 110V DC D25: 240V AC C13: 125V DC D33: 380V AC C15: 220V DC D39: 480V AC D45: 600V AC Table intended as reference only and not to create part numbers. D15 9: 9 Amps 12: 12 Amps 18: 18 Amps AC Voltage D02: 24V AC D07: 48V AC Voltage Code 12 11 30 25: 25 Amps 32: 32 Amps 38: 38 Amps Power Poles 30: 3 NO Power Poles www.tier1automation.com
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CWB Line General Information - Tier1Automation.com · 2016-12-07 · General Information. Enclosed Starters. Data is subject to change without notice. WEG Automation - Products and
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Po
wer
Fact
or
Co
rrec
tio
n
Term
inal
B
lock
sP
ush
bu
tto
ns
an
d P
ilot
Lig
hts
Ove
rlo
ads
Co
ntac
tors
Mo
tor
Pro
tect
ors
Dis
conn
ect
Sw
itch
esR
elay
sC
ircu
itP
rote
ctio
nG
ener
al
Info
rmat
ion
Enc
lose
d
Sta
rter
s
WEG Automation - Products and Solutions | 189Data is subject to change without notice.
Contactors
Ap
pen
dix
AA
pp
end
ixB
CWB LineDeveloped according to IEC 60947 and UL 508 international standards, the new WEG CWB line of contactors meets the requirements of a wide range of industrial applications. The CWBs are designed with the visual pattern and identity of WEG, a brand recognized worldwide for its quality.
Standard Features
• “Zero-Width” Mechanical Interlock• Simple and Compact Mounting of Surge Suppressor Blocks• Contactor Coil Operated on AC or DC• Simple and Organized Control Circuits• Additional Contact Blocks• Easy Access Power and Control Terminals
CWB Contactor Catalog Number Sequence
CWB - -
Contactor Series Current Rating Auxiliary ContactsCWB 11: 1NO + 1NC DC Voltage
C02: 12V DCC03: 24V DC
D15: 120V AC C07: 48V DCD77: 208V AC C09: 60V DCV24: 208 - 240V AC C12: 110V DCD25: 240V AC C13: 125V DCD33: 380V AC C15: 220V DCD39: 480V ACD45: 600V AC
Table intended as reference only and not to create part numbers.
D15
9: 9 Amps12: 12 Amps18: 18 Amps
AC VoltageD02: 24V ACD07: 48V AC
Voltage Code
12 11 30
25: 25 Amps32: 32 Amps38: 38 Amps
Power Poles30: 3 NO Power Poles
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General
Inform
ation
Circuit
Pro
tection
Disco
nnect S
witches
Mo
tor
Pro
tec
tors
Overlo
ads
Relays
Pushb
uttons
and P
ilot
Lights
Terminal
Blo
cksC
ontacto
rsP
ow
er Facto
r C
orrectio
n
Enclo
sed
Starters
190 | 1-800-ASK4WEG | www.weg.net/us Data is subject to change without notice.
Contactors
Ap
pend
ixA
Ap
pend
ixB
CWB Series
Three-Pole CWB Contactors from 9 up to 38 A (AC-3)
Ie máx. (Ue ≤440 V)
Ie = Ith(Ue ≤690 V)θ ≤55 °C
Maximum UL Horsepower Built-in auxiliary contactsper contactor
For use with Max. nº of additional contacts / contactor
Auxiliary contacts Catalog Number List Price Multiplier
NO NC
CWB9...38 4 / CWB9...38
1 1 BLB-111)
$22 Z1
2 0 BLB-20
0 2 BLB-021)
1 1 BLRB-111)2)
2 0 BLRB-202)
0 2 BLRB-021)2).034 kg
Notes: 1) The arrangement of the contacts meets IEC 60947-4-1 Annex F (Mirror Contact) and IEC 60947-5-1 Annex L (Mechanically Linked Contact) requirements.2) For combination of 2 side-mounted auxiliary contact blocks at the same side of the contactor. 3) BFB-22-EL: besides the regular contacts NO and NC, there are two special contacts: early make and late break. 4) The maximum number of auxiliary contacts assembled on the contactor are 4.
Accessories and Spare Parts
Plug-In Surge Suppressors
For use with Voltage Diagram Catalog Number List Pice Multiplier
CWB9...38
24...48 V 50/60 Hz RCB-D53
$30 Z1
50...127 V 50/60 Hz RCB-D55
130...250 V 50/60 Hz RCB-D63
12...48 V 50/60 Hz / 12...60 V dc
VRB-E49
50...127 V 50/60 Hz / 60...180 V dc
VRB-E34
130...250 V 50/60 Hz / 180...300 V dc
VRB-E50
277...380 V 50/60 Hz / 300...510 V dc
VRB-E41
400...510 V 50/60 Hz VRB-D73
12...600 V dc DIB-C33
12...250 V dc DIZB-C26
.063 kg
.008 kg
www.tier1automation.com
General
Inform
ation
Circuit
Pro
tection
Disco
nnect S
witches
Mo
tor
Pro
tec
tors
Overlo
ads
Relays
Pushb
uttons
and P
ilot
Lights
Terminal
Blo
cksC
ontacto
rsP
ow
er Facto
r C
orrectio
n
Enclo
sed
Starters
192 | 1-800-ASK4WEG | www.weg.net/us Data is subject to change without notice.
Contactors
Ap
pend
ixA
Ap
pend
ixB
CWB Series
Accessories and Spare Parts
Mechanical Interlock Kit
For use with Description Catalog Number List Price Multiplier
CWB9...38
Kit for mechanical interlock between two contactors of the CWB line with no additional side space.
Contains: 1 interlock unit + 2 fixing clips.
Note: it is not possible to interlock one contactor with AC coil with another with DC coil.
IM1 $12 Z1
Easy Connection Busbars for Reversing Starters
For use with Maximum rated operational power (AC-3)3-phase motors - IV-poles - 50/60 Hz - 1800 rpm Catalog
NumberList
Price MultiplierK1 = K2 220 / 240 V
kW / HP380 / 400 V
kW / HP415 / 440 V
kW / HPCWB9 2.2 / 3 3.7 / 5 4.5 / 6
EC-R1 $60 Z1
CWB12 3 / 4 5.5 / 7.5 5.5 / 7.5
CWB18 4.5 / 6 7.5 / 10 9.2 / 12.5
CWB25 5.5 / 7.5 11 / 15 11 / 15
CWB32 7.5 / 10 15 / 20 15 / 20
CWB38 9.2 / 12.5 18.5 / 25 18.5 / 25
For use with Maximum rated operational power (AC-3)3-phase motors - IV-poles - 50/60 Hz - 1800 rpm Catalog
are (0.80 x Ie and 0.75 x Ui).Note: 1) For site altitudes of 3000 to 4000 m, the adjustment factors are (0.90 x Ie and 0.80 x Ui) and for site altitudes of 4000 to 5000 m, the adjustment factors
Technical Data
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Po
wer
Fact
or
Co
rrec
tio
n
Term
inal
B
lock
sP
ush
bu
tto
ns
an
d P
ilot
Lig
hts
Ove
rlo
ads
Co
ntac
tors
Mo
tor
Pro
tect
ors
Dis
conn
ect
Sw
itch
esR
elay
sC
ircu
itP
rote
ctio
nG
ener
al
Info
rmat
ion
Enc
lose
d
Sta
rter
s
WEG Automation - Products and Solutions | 197Data is subject to change without notice.
Normal Starting Duty horsepower ratings are not applied.Note: 1) When operation requires jogging (inching) or plugging or when normal operation requires continued operation in excess of 5 operations per minute, the
Main Contacts
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General
Inform
ation
Circuit
Pro
tection
Disco
nnect S
witches
Mo
tor
Pro
tec
tors
Overlo
ads
Relays
Pushb
uttons
and P
ilot
Lights
Terminal
Blo
cksC
ontacto
rsP
ow
er Facto
r C
orrectio
n
Enclo
sed
Starters
200 | 1-800-ASK4WEG | www.weg.net/us Data is subject to change without notice.
Contactors
Ap
pend
ixA
Ap
pend
ixB
CWB Series
CW
B9
10
1
0.10 5 9 10 12 15 18 20 25 30 32 35 38 40
Breaking current (A)
Num
ber
of o
pera
tions
(x10
6 )
CW
B12
CW
B18
CW
B25
CW
B32
CW
B38
Utilization Category AC-3 (Ue <440 V ac)
CW
B9
CW
B12
CW
B18
CW
B25
CW
B32
CW
B38
10
1
0.1
Electrical Lifespan
Utilization Category AC-1 (Ue ≤690 V ac)N
umbe
r of
ope
ratio
ns (x
106 )
0 10 20 25 30 32 40 50
Breaking current (A)
www.tier1automation.com
Po
wer
Fact
or
Co
rrec
tio
n
Term
inal
B
lock
sP
ush
bu
tto
ns
an
d P
ilot
Lig
hts
Ove
rlo
ads
Co
ntac
tors
Mo
tor
Pro
tect
ors
Dis
conn
ect
Sw
itch
esR
elay
sC
ircu
itP
rote
ctio
nG
ener
al
Info
rmat
ion
Enc
lose
d
Sta
rter
s
WEG Automation - Products and Solutions | 201Data is subject to change without notice.
Contactors
Ap
pen
dix
AA
pp
end
ixB
CWB Series
Num
ber
of o
pera
tions
(x10
6 )
0.1
1
0.01
26 35 41 54 62 72 82 108 150 192 228
CW
B9
Breaking current 6 x Ie (A)
CW
B12
CW
B18
CW
B25
CW
B32
CW
B38
Electrical Lifespan
Utilization Category AC-4 (Ue <440 Vac)
www.tier1automation.com
General
Inform
ation
Circuit
Pro
tection
Disco
nnect S
witches
Mo
tor
Pro
tec
tors
Overlo
ads
Relays
Pushb
uttons
and P
ilot
Lights
Terminal
Blo
cksC
ontacto
rsP
ow
er Facto
r C
orrectio
n
Enclo
sed
Starters
202 | 1-800-ASK4WEG | www.weg.net/us Data is subject to change without notice.
Contactors
Ap
pend
ixA
Ap
pend
ixB
CWB Series
Mounting Position
CWB9...38
°03 °03
°03 °03
360°
CWB9...18, CWB25...384535
70 70
Ø4Ø4
70 70
5 5
93(Bobina CA)
DDIINN
4545
3545
35 m35 mmm
55
Ø4Ø4 Ø5Ø5
78.4
(CW85B
9...1
8)85
(CW
B25
...38
)
ModelsA
AC coil DC coil
CWB9...18 89.5 95.7
CWB25...38 93 102.2
102,2(Bobina CC)AACBobina CA coil DC cBobina CCoil